Wall Anchor For a Screw
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United States of America Patent
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N/A
Issued Date -
Aug 2, 2012
app pub date -
Jan 9, 2012
filing date -
Jan 10, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wall anchor for a screw, including a longitudinal axis, a cylindrical head collar at one end, a cylindrical tail collar at an opposite end, and a plurality of plastically deformable substantially longitudinal bars which connect the head collar to the tail collar. The head and tail collars have internal passages for a threaded screw shaft. The head collar has a transverse flange for abutment with a screw head. The tail collar has a nut for engagement with a threaded screw shaft. The nut includes a stack of at least three rings arranged substantially transverse the axis upon an annular end face of the tail collar. An internal hole though each ring is substantially coaxial with the axis, and a side of each ring is connected to the tail collar by a web. An assembly of the wall anchor and screw, and a method of manufacturing are disclosed.
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